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L4949E 데이터시트(Datasheet) 2 Page - STMicroelectronics

부품명 L4949E
상세내용  MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR
PDF  10 Pages
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제조사  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VSDC
DC Operating Supply Voltage
28
V
VSTR
Transient Supply Voltage (T < 1s)
40
V
IO
Output Current
Internally Limited
VO
Output Voltage
20
V
VRES,VSO Output Voltage
20
V
IRES,ISO
Output Current
5
mA
VZ
Preregulator Output Voltage
7
V
IZ
Preregulator Output Current
5
mA
TJ
Junction Temperature
-40 to +150
°C
Tstg
Storage Temperature Range
-55 to +150
°C
Note: The circuit is ESD protected according to MIL-STD-883C
THERMAL DATA
Symbol
Description
Minidip
SO-8
SO20L
Unit
Rth j-amb
Thermal Resistance Junction-ambient
Max
100
200
50
°C/W
Rth j-pins
Thermal Resistance Junction-pins
Max
15
°C/W
TJSD
Thermal Shutdown Junction temperature
165
°C
PIN CONNECTIONS
VS
SI
VZ
CT
GND
RES
SO
VOUT
1
3
2
4
6
5
7
8
D95AT217
VZ
CT
N.C.
GND
GND
GND
GND
N.C.
N.C.
VOUT
N.C.
GND
GND
GND
GND
N.C.
VS
SI
1
3
2
4
5
6
7
8
9
18
17
16
15
14
12
13
11
19
10
20
RES
SO
D95AT218
MINIDIP/SO8
SO20
L4949E
2/10




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